STR-21G-S2 Solar Monitoring Systems

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EKO’s new solar Monitoring System, the STR-21G-S2, is a dedicated sensor system to perform the most accurate solar radiation measurements of the three solar radiation components (Direct, Diffuse and Global). It can be easily integrated to any DAQ system, which has multiple analog or digital inputs. With the standard sun-position sensor and GPS receiver built inside the sun tracker the system, set-up will be quick and easy.

The system is based on the STR-21G Sun tracker with a new shading disk assembly which can be mounted on one arm of the tracker. In combination with the new generation MS-80 Secondary standard pyranometer and MS-57 First class pyrheliometer, the STR-21G-S2 is the most "high end" sensor system for solar energy research. ...

EKO’s new solar Monitoring System, the STR-21G-S2, is a dedicated sensor system to perform the most accurate solar radiation measurements of the three solar radiation components (Direct, Diffuse and Global). It can be easily integrated to any DAQ system, which has multiple analog or digital inputs. With the standard sun-position sensor and GPS receiver built inside the sun tracker the system, set-up will be quick and easy.

The system is based on the STR-21G Sun tracker with a new shading disk assembly which can be mounted on one arm of the tracker. In combination with the new generation MS-80 Secondary standard pyranometer and MS-57 First class pyrheliometer, the STR-21G-S2 is the most "high end" sensor system for solar energy research.

The STR-21G-S2 system can be freely configured to measure the required Solar radiation components in the most accurate way. Hence, a cost-effective solution can be created for every application. In harsh climate environments, the MV-01 ventilator & heater can be deployed. The MS-57 pyrheliometer has a heated front window to avoid condensation and ice which can affect the measurements.

Global radiation can be composed by the sum of the cosine weighted direct and diffuse. This way the sun tracker with pyrheliometer and shaded pyranometer can provide all three Solar radiation components. The addition of the MS-80 for GHI measurements, data can be verified by comparing the measured values to the calculated GHI. Unique to the system, EKO’s radiometers have the ability to sample much faster than traditional solar sensors. Faster sample rates allow the sensor to ‘catch’ more accurately the peak irradiance value under variable atmospheric conditions and lower the measurement uncertainty of one-minute average values.

Diffuse Horizontal Irradiance measurements are best performed with a thermopile sensor called Pyranometer mounted on a Sun tracker with a shading device. When the pyranometer is installed on an automatic ...

Concentrating Photovoltaics (CPV) is driven by only direct solar radiation. To quantify the energy efficiency of a CPV system the total DNI and direct spectral solar irradiance, called spectral DNI, can ...

The Meteorological research community is very ambitious to understand climate changes and global impact on life. With modern advanced measurement equipment, e.g. satellites, remote sensing technologies and sophisticated computer models, ...